20171264

素因数分解:

$2^9\times {\mathrm{39397}}^1$

素因数の和:39415

約数の個数: 20

約数和(自身を含む): 40304154

約数和(自身を除く): 20132890

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39397, 78794, 157588, 315176, 630352, 1260704, 2521408, 5042816, 10085632, 20171264]

約数ペア:

[(1, 20171264), (2, 10085632), (4, 5042816), (8, 2521408), (16, 1260704), (32, 630352), (64, 315176), (128, 157588), (256, 78794), (512, 39397)]